baber/WOPTO huggingface dataset:
Patent JP-H06174783-A (JP)
Title: Aging method for piezoelectric element
Inventor: SUGIE JUNJI
IPC: G01R31/26
Filed: 1992-12-09
Abstract: PURPOSE:To provide an aging method for piezoelectric element in which characteristics can be stabilized in a short time. CONSTITUTION:A piezoelectric element 1 comprising a piezoelectric plate and a pair of electrodes formed on the surface and the rear thereof and subjected to polarization is loaded repeatedly with the pair of electrodes being short- circuited electrically thus aging the piezoelectric element 1. When the piezoelectric element is loaded repeatedly under electrically short-circuited state, charges produced through repeated application of stress can be consumed. Consequently, mobility of crystal domain in increased resulting in stabilization of characteristics in a short time.
Patent JP-2000156521-A (JP)
Title: Semiconductor device and manufacture thereof
Inventor: YOSHIHISA YASUKI
IPC: H01L21/76
Filed: 1998-11-19
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device which reduces a parasitic capacitance developed in an isolation part and has a photodiode having a high input sensitivity. SOLUTION: The device includes a p type silicon substrate 1, an n type epitaxial layer 3 formed on the substrate 1, a trench 6b formed as extended from an upper surface of the epitaxial layer 3 into an interior of the substrate to separate the epitaxial layer 3 into first and second zones, and an oxide film 25 formed as extended from a top of the trench 6b to tops of the first and second zones on the upper surface of the substrate 3.
Patent JP-2000156580-A (JP)
Title: Cooler
Inventor: OKAMOTO YOSHIYUKI
IPC: H05K7/20
Filed: 1998-11-19
Abstract: PROBLEM TO BE SOLVED: To equally supply an air circulation path with a high-temperature or low-temperature air stream, in the case of letting the high-temperature air stream and the low-temperature air stream adjacently thereby performing heat exchange and cooling the high-temperature air stream. SOLUTION: In case that centrifugal fans 3 and 4 are each of right rotation, the centrifugal fans 3 and 4 are arranged eccentrically so that wide space can be secured at the rights of the fans in condition that heat exchangers 2 are temporarily arranged downward, respectively. For the centrifugal fans 3 and 4, to increase the quantity of air blasting to the space in rotational direction, much air blasting is performed to the side of wide space, consequently the quantities of air blasting to each high-temperature air circulation path A and each low-temperature air circulation path B are equalized.
Patent JP-H10166368-A (JP)
Title: Manufacture of mold for molding, and mold for molding
Inventor: YAMAZAKI MASAAKI
IPC: C22F1/08
Filed: 1996-12-10
Abstract: PROBLEM TO BE SOLVED: To enable manufacture of a mold for precision molding of an optical element and the like, by simple processes. SOLUTION: A molding is manufactured by a first process 101 wherein the Vickers hardness of brass is increased to 170 or more by applying cold rolling thereto, a second process 102 wherein annealing is conducted for making a grain of the brass fine, a third process 103 wherein the cold rolling is conducted for increasing again the Vickers hardness having lowered in the second process, a fourth process 104 wherein low-temperature annealing is conducted for reducing a stress of the brass and a fifth process 105 wherein the brass is machined into the shape of a mold for molding by using cutting. In this method, the mold can be manufactured simply, since a cavity face of high precision can be formed directly by the precision cutting of the brass.
Patent JP-H07191883-A (JP)
Title: Trace data generating system
Inventor: SENOO YOSHIKI
IPC: G06F11/28
Filed: 1993-12-27
Abstract: PURPOSE:To enable high-speed trace sampling just for sampling the number of times of program execution. CONSTITUTION:Concerning the system for generating a trace data generating program 2 by inputting a source program 1 to be an object for sampling trace data, this system is provided with a purser 3 for analyzing the phrase and syntax of the program, direct control variable set analysis part 4 for calculating a variable set to directly affect the flow of the control of the program, flow analysis part 5 for calculating a USE-DEF chain corresponding to flow analysis, unwanted sentence set analysis part 6 for calculating the set of unwanted sentences as the complementary set of a sentence set to affect the flow of control based on the direct control variable set and the USE-DEF chain, and source generating part 7 for removing the unwanted sentence set from the source program 1, providing a counter for each minimum unit in the flow of control called a basic block inside the program and inserting the decleration sentence of this counter, sentence to increment the counter one by one and sentence to output a counter value at the time of execution end corresponding to a pump-back program.
Patent JP-H11162550-A (JP)
Title: Service plug
Inventor: MATSUMOTO MITSUHIRO
IPC: H01R13/44
Filed: 1997-12-01
Abstract: PROBLEM TO BE SOLVED: To improve safety and reliability of electric continuity by the prevention of intrusion of foreign matters by providing a service plug having a terminal inserting hole not left open when a mounting/demounting plug is pulled out. SOLUTION: A pair of mutually electrically continued short-circuit male terminals are protrusively arranged in a mounting/demounting plug 33. A pair of short-circuit female terminals 51 which are connected to both ends of an opening high voltage circuit and contact with a pair of short-circuit male terminals, are covered with a cover 49. A terminal inserting hole to enter the short-circuit male terminals is bored in the cover 49. A shutter 61 which is arranged in a position to block up the terminal inserting hole by an energizing means and moves to a psition to open the terminal inerting hole by inserting force of the short-circuit male terminals by allowing an inclined face 71 to abut to the short-circuit male terminals entering the terminal inserting hole, is slidingly arranged in the cover 49.
Patent JP-H04210877-A (JP)
Title: Electric welding method for extra fine wire
Inventor: MATSUBARA MASAHIRO
IPC: B23K11/00
Filed: 1990-11-30
Abstract: PURPOSE:To prevent a burnout of the extra fine wire in welding an electrode to the extra fine wire via electric welding bodies by interposing an electrically conductive auxiliary plate body between the extra fine wire and the electric welding bodies. CONSTITUTION:In electric welding of the extra fine wire to weld the electrode 2 to the extra fine wire 3 via the electric welding bodies 4, the electrically conductive auxiliary plate body 10 is interposed between the extra fine wire 3 and the electric welding bodies 4 to weld the extra fine wire 3 to the electrode 2. Consequently, in order to join the electric welding bodies 4 to the auxiliary plate body 10, sine can electric current impressed from one welding electrode is sent to the other welding electrode via the extra fine wire 3 and the auxiliary plate body 10, the auxiliary plate body 10, the extra fine wire 3 and the electrode 2 are welded integrally and the burnout of the extra fine wire 3 can be prevented.
Patent JP-H02176372-A (JP)
Title: Refrigerating plant
Inventor: MOCHIZUKI TAKETOSHI
IPC: F25B7/00
Filed: 1988-12-26
Abstract: PURPOSE:To simplify constitution and control and obtain a cryogenic temperature by a method wherein mixed refrigerant is sealed and a compressor as well as condenser are provided while a vapor and liquid separater as well as a cascade heat exchanger are provided in first to fourth stages respectively and, further, a sub cooler is provided to effect cooling operation together with a main cooler. CONSTITUTION:Mixed refrigerant, in which the intervals of the differences of the evaporating temperatures of a plurality of kinds of refrigerant become constant substantially, is sealed into a refrigerating system. A condenser 2 is provided next to a compressor 1 and, then, a first vapor and liquid separater 3 and a first cascade heat exchanger 4 are connected sequentially from a first stage to a fourth stage and, further, a sub cooler 15 as well as a main cooler 18 for cooling remaining gas refrigerant from a fourth cascade heat exchanger 13 are provided. The sub cooler 15 is connected so that heat exchange is effected between one part of cooled and liquefied low boiling point refrigerant, whose pressure is reduced, and the remaining gas refrigerant from the fourth cascade heat exchanger 13 in this cooler 15. The refrigerant, which flows out of the main cooler 18 and the sub cooler 15 after being cooled, is returned from the fourth cascade heat exchanger 13 reversely and sequentially into the compressor 1 via the first cascade heat exchanger 4.
Patent JP-H10171132-A (JP)
Title: Electrophotographic photoreceptor
Inventor: KASAHARA MASAHIKO
IPC: G03G5/04
Filed: 1996-12-11
Abstract: PROBLEM TO BE SOLVED: To improve the transferability of a toner, to prevent the excessive scraping of a photosensitive layer without applying a lubricant, to improve image quality and to prolong the service life of a photoreceptor by roughening the surface of the photosensitive layer. SOLUTION: A grindstone 4 is rotated while rotating a photoreceptor 1 to roughen the surface of the photosensitive layer 3 by grinding. In the case where the photoreceptor is rotated at 200r.p.m. rotational frequency and #2,000 grindstone is sent at 3mm/rev under rotation at 400r.p.m. rotational frequency, a stable rough surface having 0.1-0.5μm surface roughness and almost free from unevenness is obtd. When the resultant photoreceptor is used in the conventional copying machine without applying a lubricant, satisfactory transferability and cleanability of a toner and satisfactory separability of transfer paper are ensured, high image quality is also ensured and a defective part causing a black streak on an image does not occur.  The average surface roughness of the photosensitive layer is preferably regulated to 0.1-2μm and the width of each peak or valley is preferably <=3μm.
Patent JP-H01170411-A (JP)
Title: Manufacture of screen for cosmetic
Inventor: SUZUKI KAZUO
IPC: A45D33/00
Filed: 1987-12-26
Abstract: PURPOSE:To put up a net in an optimum condition without deforming a frame by injecting a molten resin into net surroundings with a net compressed up to a specified rate of thickness of a crossing part of warp yarn and woof yarn. CONSTITUTION:A cosmetic screen S consists of a frame 3 and a net 4 put up inside of this frame 3. A net is knitted by crossing warp yarn 5 and woof yarn 6. The net 4 put between a fixed form A and a moving form B and given pressure is extended by being compressed from 60% to 30% of thickness of a crossing part of warp yarn 5 and woof yarn 6. The frame 3 is formed by injecting a molten resin into a cavity C in this condition. The net 4 is shrunk moderately by its restoring force and is put up in an optimum condition without deforming the frame 3 in this way.
Patent JP-H057528-A (JP)
Title: Electronically controlled cooking device
Inventor: OTAKE MISAO
IPC: A47J27/00
Filed: 1991-12-13
Abstract: PURPOSE:To obtain a compact cooking device using no glass wool and having a heat insulating mechanism. CONSTITUTION:Between an outer frame 14 and an outer pan 16, a heat insulating plate 19 is provided, and between the insulating plate 19 and a side wall of the outer pan 16, an air convection-free space, the end part of which is closed with an upper frame 20 of heat insulating properties, to prevent the heat transmission caused by air convection, thus to obtain a heat insulating effect.
Patent JP-H07193352-A (JP)
Title: Semiconductor package
Inventor: MITAMURA FUMIO
IPC: H01L23/02
Filed: 1993-12-27
Abstract: PURPOSE:To simplify the constitution of a new semiconductor package, which is made a miniaturization and a reduction in a thickness possible by a high- density mounting, and at the same time, to make a reduction in the thickness of the package and a lightening of the package possible CONSTITUTION:A first square semiconductor circuit board 14 is mounted on the bottom of a recessed place 12 formed in the center part of packaging board 11 and a second square semiconductor circuit board 16 is mounted on the upper surface 15, which is located on both sides of the recessed place mounted with the circuit board 14, astride the board 14.
Patent JP-H10166415-A (JP)
Title: Continuous production of fiber reinforced thermoplastic resin foam
Inventor: SUGAWARA HIROSHI
IPC: B29C70/52
Filed: 1996-12-11
Abstract: PROBLEM TO BE SOLVED: To easily produce fiber reinforced thermoplastic resin foam having a thermoplastic resin laminated on a part or the whole of the arbitrary surface thereof even when a cross-sectional shape is complicated and expansion ratio is high. SOLUTION: Fiber reinforced thermoplastic resin sheets 111a, 111b are shaped into a hollow member T and this hollow member is plasticized and a foamable thermoplastic resin compsn. 111 is supplied to the interior of the hollow member to be foamed and, by the foaming pressure of said compsn., the hollow member T is shaped into a desired cross-sectional shape along a prescribed member 48 to be cooled and solidified and, thereafter, the surface required part thereof is reheated and a thermoplastic resin is extruded to be laminated to the heated part thereof.
Patent JP-H03193849-A (JP)
Title: Copper alloy having fine crystalline grain and low strength and its production
Inventor: TOE TAMIO
IPC: C22F1/00
Filed: 1989-12-22
Abstract: PURPOSE:To obtain a Cu alloy having low strength and superior formability and excellent in stress corrosion cracking resistance, welding crack resistance, and solderability by regulating the crystalline grain size of a cold rolled sheet of a Cu-Zn alloy with a specific composition to a specific value or below by means of the final annealing and further carrying out cold rolling again, if necessary. CONSTITUTION:A hot rolled plate of a Cu alloy which has a composition consisting of, by weight, 3-25% Zn and the balance Cu or further containing 0.005-2.0%, in total, of one or >=2 elements among the group consisting of Pb, Fe, Sn, Al, Mn, Ni, P, As, Te, Cr, Co, Zr, V, Be, Cd, Si, B, In, Ti, Mg, Hf, and Ge is subjected to a repetition of cold rolling and annealing, by which an intermediate stock is prepared. This stock is annealed, cold-rolled at >=75% draft, and subjected to final annealing to undergo the regulation of crystalline grains to <=0.015mm, and then, cold rolling is applied, if necessary, to the above at 1-15% draft in order to improve solderability.
Patent JP-H10164211-A (JP)
Title: Telephone set
Inventor: KIKUCHI KATSUTOSHI
IPC: H04M1/274
Filed: 1996-11-27
Abstract: PROBLEM TO BE SOLVED: To facilitate the operation at the time of calling without any need to remember the name of each telephone number when a registered telephone number is called by making it possible to register plural telephone numbers to the same name of the other party, storing the number of registered telephone numbers, adding a telephone number to the name of the other party and displaying a memory area where registration is available at the time of registration. SOLUTION: In telephone number registration to EEPROM 9, as many as (n) cases per user are available, and also one case can be registered per user. Two tables are provided in a prescribed address in the EEPROM 9, i.e., one is a user name table and the other is a telephone number register table. An access is carried out based on an address of the telephone number register table that is stored in the user name table, and each telephone number under the same name is stored. An input of a new telephone number, the retrieval of a registered number and a call out operation are made easy because they are shown on a display device 4 and can be selected and inputted by operating a key 6.
Patent JP-H07189794-A (JP)
Title: Electronic controller of diesel engine
Inventor: IWAKI YASUHIKO
IPC: F02B3/06
Filed: 1993-12-27
Abstract: PURPOSE:To provide the electronic controller of a diesel engine for securing normal fuel injection control when noise is mixed in a rotational pulse signal from a rotational angle sensor. CONSTITUTION:An injection quantity before its moderation is found out in a step 211, and moderation is executed in steps 212, 213, and a final injection quantity is calculated in a step 220 when it is judged that no acceleration is present and further moderation control inhibition XNENG is not 1 in a step 215. A fuel injection quantity is controlled in the step 223 by making the injection quantity before moderation control found out in the step 211 as a present injection quantity when no execution of moderation is judged in the step 215 and also when it is judged in the step 221, that rotational pulse is normal and that XNENG is 1 in the step 222, and then the moderation control of the injection quantity control is inhibited when the inhibition flag is set based on the rotational pulse signal at that time.
Patent JP-H05166483-A (JP)
Title: Ion implantation device
Inventor: MATSUDA KOJI
IPC: C23C14/48
Filed: 1991-12-16
Abstract: PURPOSE:To effect uniform ion implantation through scan made by beams from a compact-sized ion source and after selection of a desired ion kind. CONSTITUTION:Substantially parallel beams each having a slit configuration in section are drawn out from an ion source 1 by use of a draw-out voltage and an acceleration voltage. The beams are caused to pass through a fixed magnetic field of a sector magnet 3 for conducting mass analysis. A difference is exhibited in movement quantity according to the ion kind, and, as a result, different locuses of movement are described. By this, a desired kind of ion is selected and in subsequence unnecessary ion kinds are eliminated by an analyzing slit 4. The desired kinds of ions pass through the slit 4 and are incident upon a sextet pole magnetic lens 5 for re-shaping. Subsequently, the desired kinds of ions transit through a drift space to reach the surface of a substrate 9, and are irradiated thereupon in the form of a horizontally elongate slit. At this time, the beams are each corrected to become parallel by an electric field lens 6 located before the substrate 9. On the other hand, the ion source 1 has its ion draw-out port swung by a drive means 2 in the vertical direction, so that the substrate 9 surface is uniformly scanned by the ion beams. This enables uniform ion implantation.
Patent JP-H08168226-A (JP)
Title: Motor with reduction gear
Inventor: HIROSE YOSHITOSHI
IPC: H02K21/14
Filed: 1994-12-09
Abstract: PURPOSE: To provide a motor with reduction gears that facilitates assembly and maintenance work by forming its housing out of three divided parts and constructing a partitioning plate, to be the central part, as a unit in which a stator and wiring are integrally secured. CONSTITUTION: A housing 60 for a motor and a reduction gears 5 consists of an outer case 61, an inner case 62 and a partitioning plate 63 placed between them. A stator mounting area 62a swelling toward the inner case 62 is formed on the side of the partitioning plate 63, and three holes 63b are formed in the stator mounting area 63a. A drive circuit that interconnects the ends 7e of a field coil 7d is formed on a second board 25, to which a pair of power lines 31 are connected. The power lines 31 are led out to the outside of the housing 60 through the corresponding holes 63b and holes 62a in the inner case 62.
Patent JP-H02177940-A (JP)
Title: Place dependency measuring method for magnetic field by eddy current
Inventor: INOUE YUJI
IPC: G01R33/20
Filed: 1988-12-29
Abstract: PURPOSE:To realize the measuring method of the place dependency of a magnetic field with an eddy current generated by means of a gradient magnetic field by obtaining a phase angle with an image obtained after the gradient magnetic field is impressed and a scanning is executed before an exciting pulse is impressed and the image obtained after the scanning is executed without impressing the gradient magnetic field. CONSTITUTION:The magnet part of a nuclear magnetic resonance image diagnosing device has a static magnetic field coil 1 to impress a uniform static magnetic field, a gradient magnetic field coil 2 to impress the magnetic field having respective linear gradients in respective directions of (x), (y) and (z), an exciting coil 4 to impress a high frequency rotary magnetic field to a homogeneous water phantom 3 installed in the magnetic field, and a detecting coil 5 to detect an NMR signal from the phantom. By executing a certain calculation to the image obtained after the gradient magnetic field is impressed and the scanning is executed before the exciting pulse is impressed and the image obtained after the scanning is executed without impressing the gradient magnetic field before the exciting pulse is impressed, a phase shift due to the offset of a system, the nonuniformity of the static magnetic field, etc., can be removed, and the information of the place dependency of the magnetic field by the eddy current generated with the above-mentioned gradient magnetic field to be impressed can be obtained.
Patent JP-H11248028-A (JP)
Title: Synthetic resin valve
Inventor: NIWA YUTAKA
IPC: F16K5/06
Filed: 1998-11-05
Abstract: PROBLEM TO BE SOLVED: To maintain certain opening and closing operation and rotational regulation for a long period of time and to make an overall valve compact by fitting and installing a transfer member which is normally engaged with a valve stem and not removed from it and removed from it at the time when specified torque is applied and opening and closing a valve by rotationally operating the transfer member. SOLUTION: A transfer member is engaged with a handle to operate from outside, a valve stem 30 is rotated through the transfer member, the valve stem 30 rotates a valve element 12, and a flow passage 15 in the inside of a valve body 10 is opened and closed normally until the valve element 12 of a valve 1 reaches a fully opening and fully closing position by the transfer member fitted and installed on an operation part of the valve stem 30.  In the valve when the valve element 12 reaches the fully opening and fully closing position and a handle is operated by excessive torque against the valve 1 in a stopping state by a rotational regulation device of the valve 1, when it reaches specified torque, a transfer member installed on the valve stem 30 is removed from the valve stem 30, and accordingly, the excessive torque applied on the transfer member is not transferred to the valve stem 30. Consequently, it is possible to maintain the valve safe for a long period of time and to maintain stable opening and closing performance.